Retellings of the Dunkirk rescue often leave out how the Allied forces got into such a predicament, with a huge part of the British Expeditionary Force stranded. Today, we'll talk about the lead-up to WWII and its relentless progression into France.

A correction to this episode! The German invasion of Scandinavia really happened in April 1940, so things weren't quite as simultaneous as presented here. So, rather than invading the Low Countries the very next day, it was roughly a month later.